Math, asked by khushi3eg, 1 year ago

50x² - 2(x-2)²
Factorise
Pls help me

Answers

Answered by abhay2003
32
50x²-2(x-2)²
⇒50x²-2(x²+4-4x)
⇒50x²-2x²-8+8x
⇒48x²+8x-8   
⇒  8[6x²+x-1]
⇒   8[6x²+3x-2x-1]
⇒8[3x(2x+1) -1(2x+1)]
8(3x-1)(2x+1) is answer..

i hope its help you.

khushi3eg: Answer is 8(2x +1)(3x-1)
khushi3eg: But in my book it's given the above answer
kokan6515: bro it is not given that it is equal to 0 so u can't divide it by 8
Answered by kokan6515
8
50x² - 2(x-2)²

50x²- 2(x²+4-4x)

50x²-2x²-8 +8x

48x²+8x-8

48x²+24x-16x-8

48x(x+1/2)-16(x+1/2)

(48x-16) (x+1/2)

16(3x-1) (x+1/2)

8(3x-1)(2x+1)

hope this helps..
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